英语词汇“初级飞羽”的释义、用法及例句-英汉例句词典

词汇	初级飞羽
例句	He is moulting at the moment and has no primary feathers.它目前正在换羽，还没有长出初级飞羽。
随便看	policyholder policyholders policy-makers policymakers policy-making policymaking policy making policymaking body policy mix policy of containment policy of expansion policy of neutrality policy statement policy unit polio polio-stricken polio vaccine Polish polish polished polisher polishes polishing polish off polish up

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